homework-jianmu/source/libs/sync/inc/syncRaftCfg.h

89 lines
2.8 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TD_LIBS_SYNC_RAFT_CFG_H
#define _TD_LIBS_SYNC_RAFT_CFG_H
#ifdef __cplusplus
extern "C" {
#endif
#include "syncInt.h"
#define CONFIG_FILE_LEN 2048
#define MAX_CONFIG_INDEX_COUNT 256
typedef struct SRaftCfgIndex {
TdFilePtr pFile;
char path[TSDB_FILENAME_LEN * 2];
SyncIndex configIndexArr[MAX_CONFIG_INDEX_COUNT];
int32_t configIndexCount;
} SRaftCfgIndex;
SRaftCfgIndex *raftCfgIndexOpen(const char *path);
int32_t raftCfgIndexClose(SRaftCfgIndex *pRaftCfgIndex);
int32_t raftCfgIndexPersist(SRaftCfgIndex *pRaftCfgIndex);
int32_t raftCfgIndexAddConfigIndex(SRaftCfgIndex *pRaftCfgIndex, SyncIndex configIndex);
cJSON *raftCfgIndex2Json(SRaftCfgIndex *pRaftCfgIndex);
char *raftCfgIndex2Str(SRaftCfgIndex *pRaftCfgIndex);
int32_t raftCfgIndexFromJson(const cJSON *pRoot, SRaftCfgIndex *pRaftCfgIndex);
int32_t raftCfgIndexFromStr(const char *s, SRaftCfgIndex *pRaftCfgIndex);
int32_t raftCfgIndexCreateFile(const char *path);
typedef struct SRaftCfg {
SSyncCfg cfg;
TdFilePtr pFile;
char path[TSDB_FILENAME_LEN * 2];
int8_t isStandBy;
int32_t batchSize;
int8_t snapshotStrategy;
SyncIndex lastConfigIndex;
SyncIndex configIndexArr[MAX_CONFIG_INDEX_COUNT];
int32_t configIndexCount;
} SRaftCfg;
SRaftCfg *raftCfgOpen(const char *path);
int32_t raftCfgClose(SRaftCfg *pRaftCfg);
int32_t raftCfgPersist(SRaftCfg *pRaftCfg);
int32_t raftCfgAddConfigIndex(SRaftCfg *pRaftCfg, SyncIndex configIndex);
void syncCfg2SimpleStr(const SSyncCfg *pCfg, char *str, int32_t bufLen);
cJSON *syncCfg2Json(SSyncCfg *pSyncCfg);
int32_t syncCfgFromJson(const cJSON *pRoot, SSyncCfg *pSyncCfg);
cJSON *raftCfg2Json(SRaftCfg *pRaftCfg);
char *raftCfg2Str(SRaftCfg *pRaftCfg);
int32_t raftCfgFromJson(const cJSON *pRoot, SRaftCfg *pRaftCfg);
int32_t raftCfgFromStr(const char *s, SRaftCfg *pRaftCfg);
typedef struct SRaftCfgMeta {
int8_t isStandBy;
int32_t batchSize;
int8_t snapshotStrategy;
SyncIndex lastConfigIndex;
} SRaftCfgMeta;
int32_t raftCfgCreateFile(SSyncCfg *pCfg, SRaftCfgMeta meta, const char *path);
#ifdef __cplusplus
}
#endif
#endif /*_TD_LIBS_SYNC_RAFT_CFG_H*/